12 instances from 2 years 2017 - 2 instances Jan 7 Feb 3 Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 20 4 Sep 20, 2016 4 instances 10:27:42 10:34:52 10:42:44 10:43:53 Oct 1 2 Oct 1, 2016 2 instances 15:04:40 15:10:31 4 3 Oct 4, 2016 3 instances 07:11:22 07:23:30 08:19:44 Nov Dec 30